On 10 Dec, 21:05, "the_constructor" wrote:
Hi,

Is 15mm & 22mm copper pipe smaller than the old imperial 1/2" and 3/4" pipe.


1/2" to 15mm is no problem, just use a normal 15mm olive.. 3/4" to
22mm requires a special adapting olive. Decent hardware stores should
stock them.

Allan